Which of the following are sensitive indicators of heart function and fluid volume status?
Pulmonary artery, diastolic pressure
None of the above
Both A and B
Pulmonary artery wedge pressure
The Correct Answer is C
A. Pulmonary artery diastolic pressure (PADP) reflects left ventricular end-diastolic pressure and can be used as an indicator of left heart function and fluid status.
B. Not applicable as a standalone choice.
C. Both PADP and pulmonary artery wedge pressure (PAWP) are sensitive and commonly used hemodynamic measurements to assess cardiac function and intravascular volume.
D. Pulmonary artery wedge pressure (PAWP) is a direct reflection of left atrial pressure and is considered a sensitive indicator of left ventricular preload and fluid volume status.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Intracranial pressure is monitored using specialized devices like an ICP monitor, not a pulmonary artery catheter.
B. Spinal cord perfusion is not directly monitored by a pulmonary artery catheter.
C. A pulmonary artery catheter is used to monitor hemodynamic status, including cardiac output, pulmonary artery pressures, and fluid volume status, which helps guide management of critically ill patients.
D. Renal function is assessed through lab tests and urine output, not pulmonary artery catheterization.
Correct Answer is C
Explanation
A. Electrical burns are often severe and can cause significant tissue damage, so they are not typically minor.
B. Electrical burns usually cause more than just reddened or purplish skin; blistering and deeper damage are common.
C. Electrical burns often cause extensive damage beneath the skin that is much greater than what is visible on the surface, due to the current traveling through deeper tissues.
D. While true that damage beneath the skin can be extensive, this choice is somewhat redundant and less precise than C, which clearly states the extent of hidden injury.
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